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// Scintilla source code edit control
/** @file LexNsis.cxx
** Lexer for NSIS
**/
// Copyright 2003 by Angelo Mandato <angelo@spaceblue.com>
// The License.txt file describes the conditions under which this software may be distributed.
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include <stdarg.h>
#include "Platform.h"
#include "PropSet.h"
#include "Accessor.h"
#include "KeyWords.h"
#include "Scintilla.h"
#include "SciLexer.h"
/*
// Put in SciLexer.h
#define SCLEX_NSIS 34
#define SCE_NSIS_DEFAULT 0
#define SCE_NSIS_COMMENT 1
#define SCE_NSIS_STRINGDQ 2
#define SCE_NSIS_STRINGLQ 3
#define SCE_NSIS_STRINGRQ 4
#define SCE_NSIS_FUNCTION 5
#define SCE_NSIS_VARIABLE 6
#define SCE_NSIS_LABEL 7
#define SCE_NSIS_USERDEFINED 8
#define SCE_NSIS_SECTIONDEF 9
#define SCE_NSIS_SUBSECTIONDEF 10
#define SCE_NSIS_IFDEFINEDEF 11
#define SCE_NSIS_MACRODEF 12
#define SCE_NSIS_STRINGVAR 13
*/
static int classifyWordNsis(unsigned int start, unsigned int end, WordList *keywordLists[], Accessor &styler)
{
char s[100];
WordList &Functions = *keywordLists[0];
WordList &Variables = *keywordLists[1];
WordList &Lables = *keywordLists[2];
WordList &UserDefined = *keywordLists[3];
for (unsigned int i = 0; i < end - start + 1 && i < 30; i++)
{
s[i] = static_cast<char>( styler[ start + i ] );
s[i + 1] = '\0';
}
// Check for special words...
if( strcmp(s, "!macro") == 0 || strcmp(s, "!macroend") == 0 ) // Covers !micro and !microend
return SCE_NSIS_MACRODEF;
if( strcmp(s, "!ifdef") == 0 || strcmp(s, "!ifndef") == 0 || strcmp(s, "!endif") == 0 )
return SCE_NSIS_IFDEFINEDEF;
if( strcmp(s, "Section") == 0 || strcmp(s, "SectionEnd") == 0 ) // Covers Section and SectionEnd
return SCE_NSIS_SECTIONDEF;
if( strcmp(s, "SubSection") == 0 || strcmp(s, "SubSectionEnd") == 0 ) // Covers SubSection and SubSectionEnd
return SCE_NSIS_SUBSECTIONDEF;
if( strcmp(s, "Function") == 0 || strcmp(s, "FunctionEnd") == 0 ) // Covers SubSection and SubSectionEnd
return SCE_NSIS_FUNCTION;
if ( Functions.InList(s) )
return SCE_NSIS_FUNCTION;
if ( Variables.InList(s) )
return SCE_NSIS_VARIABLE;
if ( Lables.InList(s) )
return SCE_NSIS_LABEL;
if( UserDefined.InList(s) )
return SCE_NSIS_USERDEFINED;
if( strlen(s) > 2 )
{
if( s[1] == '{' && s[strlen(s)-1] == '}' )
return SCE_NSIS_VARIABLE;
}
return SCE_NSIS_DEFAULT;
}
static void ColouriseNsisDoc(unsigned int startPos, int length, int, WordList *keywordLists[], Accessor &styler)
{
int state = SCE_NSIS_DEFAULT;
styler.StartAt( startPos );
styler.GetLine( startPos );
unsigned int nLengthDoc = startPos + length;
styler.StartSegment( startPos );
char cCurrChar;
bool bVarInString = true;
unsigned int i;
for( i = startPos; i < nLengthDoc; i++ )
{
cCurrChar = styler.SafeGetCharAt( i );
char cNextChar = styler.SafeGetCharAt( i+1, EOF );
switch(state)
{
case SCE_NSIS_DEFAULT:
if( cNextChar == EOF )
{
styler.ColourTo(i,SCE_NSIS_DEFAULT);
break;
}
if( cCurrChar == ';' || cCurrChar == '#' ) // we have a comment line
{
styler.ColourTo(i-1, state );
state = SCE_NSIS_COMMENT;
break;
}
if( cCurrChar == '"' )
{
styler.ColourTo(i-1, state );
state = SCE_NSIS_STRINGDQ;
bVarInString = false;
break;
}
if( cCurrChar == '\'' )
{
styler.ColourTo(i-1, state );
state = SCE_NSIS_STRINGRQ;
bVarInString = false;
break;
}
if( cCurrChar == '`' )
{
styler.ColourTo(i-1, state );
state = SCE_NSIS_STRINGLQ;
bVarInString = false;
break;
}
// NSIS KeyWord,Function, Variable, UserDefined:
if( cCurrChar == '$' || iswordchar(cCurrChar) || cCurrChar == '!' )
{
styler.ColourTo(i-1,state);
state = SCE_NSIS_FUNCTION;
break;
}
break;
case SCE_NSIS_COMMENT:
if( cNextChar == '\n' || cNextChar == '\r' || cNextChar == EOF )
{
styler.ColourTo(i,state);
state = SCE_NSIS_DEFAULT;
}
break;
case SCE_NSIS_STRINGDQ:
if( cCurrChar == '"' || cNextChar == '\r' || cNextChar == '\n' )
{
styler.ColourTo(i,SCE_NSIS_STRINGDQ);
state = SCE_NSIS_DEFAULT;
}
break;
case SCE_NSIS_STRINGLQ:
if( cCurrChar == '`' || cNextChar == '\r' || cNextChar == '\n' )
{
styler.ColourTo(i,SCE_NSIS_STRINGLQ);
state = SCE_NSIS_DEFAULT;
}
break;
case SCE_NSIS_STRINGRQ:
if( cCurrChar == '\'' || cNextChar == '\r' || cNextChar == '\n' )
{
styler.ColourTo(i,SCE_NSIS_STRINGRQ);
state = SCE_NSIS_DEFAULT;
}
break;
case SCE_NSIS_FUNCTION:
// NSIS KeyWord:
if( (iswordchar(cCurrChar) && !iswordchar( cNextChar) && cNextChar != '}') || cCurrChar == '}' )
{
state = classifyWordNsis( styler.GetStartSegment(), i, keywordLists, styler);
styler.ColourTo( i, state);
state = SCE_NSIS_DEFAULT; // Everything after goes back to the default state
}
else if( !iswordchar( cCurrChar ) && cCurrChar != '{' && cCurrChar != '}' )
{
state = SCE_NSIS_DEFAULT;
if( cCurrChar == '"' ) // Next
{
state = SCE_NSIS_STRINGDQ;
bVarInString = false;
}
if( cCurrChar == '`' )
{
state = SCE_NSIS_STRINGLQ;
bVarInString = false;
}
if( cCurrChar == '\'' )
{
state = SCE_NSIS_STRINGRQ;
bVarInString = false;
}
if( cCurrChar == '#' || cCurrChar == ';' )
state = SCE_NSIS_COMMENT;
styler.ColourTo( i, state);
}
break;
}
if( state == SCE_NSIS_COMMENT )
{
styler.ColourTo(i,state);
}
else if( state == SCE_NSIS_STRINGDQ || state == SCE_NSIS_STRINGLQ || state == SCE_NSIS_STRINGRQ )
{
// Check for var in String..
if( bVarInString && (iswordchar(cCurrChar) || cCurrChar == '}') ) // || cCurrChar == '{' ) )
{
int nWordState = classifyWordNsis( styler.GetStartSegment(), i, keywordLists, styler);
if( nWordState == SCE_NSIS_VARIABLE )
{
styler.ColourTo( i, SCE_NSIS_STRINGVAR);
bVarInString = false;
}
}
if( cCurrChar == '$' )
{
styler.ColourTo( i-1, state);
bVarInString = true;
}
}
}
}
static void FoldNsisDoc(unsigned int startPos, int length, int, WordList *[], Accessor &styler)
{
// No folding enabled, no reason to continue...
if( styler.GetPropertyInt("fold") == 0 )
return;
unsigned int endPos = startPos + length;
int lineCurrent = styler.GetLine(startPos);
int levelCurrent = SC_FOLDLEVELBASE;
if (lineCurrent > 0)
levelCurrent = styler.LevelAt(lineCurrent-1) >> 16;
int levelNext = levelCurrent;
char chNext = styler[startPos];
int styleNext = styler.StyleAt(startPos);
int style;
for (unsigned int i = startPos; i < endPos; i++)
{
char ch = chNext;
chNext = styler.SafeGetCharAt(i + 1);
style = styleNext;
styleNext = styler.StyleAt(i + 1);
bool atEOL = (ch == '\r' && chNext != '\n') || (ch == '\n');
// Functions Start: Function, Section, SubSection
// Functions End: FunctionEnd, SectionEnd, SubSectionEnd
// Label Start: !ifdef, !ifndef
// Label End: !endif
if( style == SCE_NSIS_FUNCTION )
{
if( styler.Match(i, "FunctionEnd") )
levelNext--;
else if( styler.Match(i, "Function") )
levelNext++;
}
else if( style == SCE_NSIS_SECTIONDEF )
{
if( styler.Match(i, "SectionEnd") )
levelNext--;
else if( styler.Match(i, "Section") )
levelNext++;
}
else if( style == SCE_NSIS_SUBSECTIONDEF )
{
if( styler.Match(i, "SubSectionEnd") )
levelNext--;
else if( styler.Match(i, "SubSection") )
levelNext++;
}
else if( style == SCE_NSIS_IFDEFINEDEF )
{
if( styler.Match(i, "!endif") )
levelNext--;
else if( styler.Match(i, "!ifdef") || styler.Match(i, "!ifndef"))
levelNext++;
}
else if( style == SCE_NSIS_MACRODEF )
{
if( styler.Match(i, "!macroend") )
levelNext--;
else if( styler.Match(i, "!macro") )
levelNext++;
}
if( atEOL )
{
int levelUse = levelCurrent;
int lev = levelUse | levelNext << 16;
if (levelUse < levelNext)
lev |= SC_FOLDLEVELHEADERFLAG;
if (lev != styler.LevelAt(lineCurrent))
{
styler.SetLevel(lineCurrent, lev);
}
lineCurrent++;
levelCurrent = levelNext;
}
}
int levelUse = levelCurrent;
int lev = levelUse | levelNext << 16;
if (levelUse < levelNext)
lev |= SC_FOLDLEVELHEADERFLAG;
if (lev != styler.LevelAt(lineCurrent))
{
styler.SetLevel(lineCurrent, lev);
}
}
static const char * const nsisWordLists[] = {
"Functions",
"Variables",
"Lables",
"UserDefined",
0, };
LexerModule lmNsis(SCLEX_NSIS, ColouriseNsisDoc, "nsis", FoldNsisDoc, nsisWordLists);
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